﻿/* UTF-8 */

/*
 * glyph.c: 此文件负责字符图形的生成，后端是Windows Typography或FreeType
 * Copyright 2016 tianxianglong. All rights reserved.
 */

/*
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:

 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#ifndef UNICODE
#define UNICODE
#endif

#ifndef _UNICODE
#define _UNICODE
#endif

#ifndef _CRT_SECURE_NO_WARNINGS
#define _CRT_SECURE_NO_WARNINGS
#endif

#include <Windows.h>
#include <windowsx.h>
#include "raster.h"

PixelDataPtr MakeGrayBitmap(int Height, int Width)
{
	/* 每像素8字节，4字节对齐 */
	int bpp = 8;
	int pitch = (Width * bpp + 31) / 32 * 4;
	int cb = pitch * Height;
	void *buffer = malloc(cb);

	if (NULL == buffer)
		return NULL;

	memset(buffer, 0, cb);
	
	PixelDataPtr pd = malloc(sizeof(PixelData));

	if (NULL != pd)
	{
		pd->cb = cb;
		pd->buffer = buffer;
		pd->pitch = pitch;
		pd->cy = Height;
		pd->cx = Width;
		pd->bpp = 8;
	}

	return pd;
}
